{"product_id":"chinese-biogas-manual-book-ariane-van-buren-9780903031653","title":"A Chinese Biogas Manual","description":"The production of biogas, which is regarded in many countries as a by-product of an efficient system of energy production, has become in China a comprehensive, controlled method of waste disposal, recycling resources, supplying energy and fertilizer and improving rural health, as the digesting of wastes in a closed container kills many of the pathogens responsible for common human diseases.There are already approximately seven million biogas pits in opertion, with Sichuan (Szechuan) province leading the country in a movement to extend the practice throughout the countryside. This manual describes in detail how to build the pit, and covers a full range of designs to suit various soils from sandstone to sheer rock. It also includes a description of how the original manual was used.","brand":"WoB","offers":[{"title":"GB \/ VERY_GOOD \/ INTERNAL","offer_id":49573140857105,"sku":"GOR002078789","price":11.69,"currency_code":"USD","in_stock":false},{"title":"US \/ NEW \/ INGRAM","offer_id":51009584431377,"sku":"NIN9780903031653","price":25.95,"currency_code":"USD","in_stock":true},{"title":"GB \/ NEW \/ INGRAM","offer_id":52426509943057,"sku":"NLS9780903031653","price":24.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4072\/6801\/files\/0903031655.jpg?v=1767356118","url":"https:\/\/www.worldofbooks.com\/products\/chinese-biogas-manual-book-ariane-van-buren-9780903031653","provider":"World of Books ","version":"1.0","type":"link"}